The PocketBook firmware uses an older fbreader (based one fbreader version 0.8.15), which doesn't support page breaks before chapters in EPUB yet. They have promised to port the current fbreader to PocketBook by March 2010. The newer versions of fbreader seem to add page breaks at the start of each htm file, and also when instructed via css. My solution adds a page break before each chapter, based on what is stored in the table of contents (toc.ncx) file. This is just a temporary solution until the current version of fbreader will be ported to PocketBook. I'm not a PocketBook developer, I'm doing this mainly for myself to make reading easier.